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- Felldin, M., et al.
(författare)
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Donor monoclonal gammopathy may cause lymphoproliferative disorders in solid organ transplant recipients
- 2016
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Ingår i: American Journal of Transplantation. - : Wiley-Blackwell Publishing Inc.. - 1600-6135 .- 1600-6143. ; 16:9, s. 2676-2683
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Tidskriftsartikel (refereegranskat)abstract
- Prior research on donor monoclonal gammopathy of undetermined significance (MGUS) has been inadequate regarding the risk for lymphoproliferative disease in solid organ transplantation recipients. Seven organ recipients from two different donors developed lymphoproliferative disease. The origin of the malignancy was determined by use of microsatellite analysis, and the plasma of the two donors was analyzed with the use of electrophoresis. The clinical courses of the seven recipients were followed for 36–60 months. One donor transmitted lymphoplasmacytic lymphoma to two kidney recipients and MGUS to a liver recipient, all IgMκ. A second donor caused IgGλ myeloma in two kidney and one liver recipient, and IgGλ gammopathy in a heart recipient. Transplant nephrectomy was performed in three kidney recipients and remission was achieved. The fourth kidney recipient has kept the graft and the disease has progressed. The liver recipient died from myeloma. There were no clinical signs of lymphoproliferative disease in the donors, but retrospective serum analyses showed M‐components, IgMκ (37 g/L) and IgGλ (8 g/L). Donors with MGUS may cause donor‐transmitted malignancies via passenger lymphocytes/plasma cells in solid organ recipients. The results call for a large register study of the incidence of donor MGUS and lymphoproliferative disease in their recipients.
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- Soh, BS, et al.
(författare)
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Corrigendum: Endothelin-1 supports clonal derivation and expansion of cardiovascular progenitors derived from human embryonic stem cells
- 2016
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Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 7, s. 12118-
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Tidskriftsartikel (refereegranskat)abstract
- Nature Communications 7: Article number: 10774 (2016); Published: 8 March 2016; Updated: 19 July 2016. The affiliation details for Boon-Seng Soh, Lei Bu and Ronald A. Li are incorrect in this Article. The correct addresses of these authors are listed below: Boon-Seng Soh Cardiovascular Research Center, Massachusetts General Hospital, 185 Cambridge Street, Boston, Massachusetts 02114, USA; Department of Stem Cell and Regenerative Biology, Harvard University, 7 Divinity Avenue, Cambridge, Massachusetts 02138, USA; Li Dak-Sum Research Centre-HKU-Karolinska Institutet Collaboration on Regenerative Medicine, University of Hong Kong, Hong Kong, China and Department of Cell and Molecular Biology and Medicine, Karolinska Institute, Stockholm S-171 77, Sweden.
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| 10. |
- Soh, BS, et al.
(författare)
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Endothelin-1 supports clonal derivation and expansion of cardiovascular progenitors derived from human embryonic stem cells
- 2016
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Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 7, s. 10774-
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Tidskriftsartikel (refereegranskat)abstract
- Coronary arteriogenesis is a central step in cardiogenesis, requiring coordinated generation and integration of endothelial cell and vascular smooth muscle cells. At present, it is unclear whether the cell fate programme of cardiac progenitors to generate complex muscular or vascular structures is entirely cell autonomous. Here we demonstrate the intrinsic ability of vascular progenitors to develop and self-organize into cardiac tissues by clonally isolating and expanding second heart field cardiovascular progenitors using WNT3A and endothelin-1 (EDN1) human recombinant proteins. Progenitor clones undergo long-term expansion and differentiate primarily into endothelial and smooth muscle cell lineages in vitro, and contribute extensively to coronary-like vessels in vivo, forming a functional human–mouse chimeric circulatory system. Our study identifies EDN1 as a key factor towards the generation and clonal derivation of ISL1+ vascular intermediates, and demonstrates the intrinsic cell-autonomous nature of these progenitors to differentiate and self-organize into functional vasculatures in vivo.
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